US Bridges

NM-574 over Mc Dermott Arroyo

Good

San Juan County, New Mexico · 1.56 MI E of JCT Nm 574 · Structure no. 000000000009479

Built
2008
17 years old
Condition
Good
inspected April 2021
Type
Culvert
Concrete
Length
52 ft
4 main spans
Daily traffic
2,094
2023 count
Owner
State
State Highway Agency

About this bridge

NM-574 over Mc Dermott Arroyo is a concrete culvert carrying NM-574 over Mc Dermott Arroyo in San Juan County, New Mexico. It was built in 2008, so it is 17 years old, younger than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,094 vehicles a day, roughly 11% of them trucks, projected to reach 2,847 by 2043. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesNM-574
CrossesMc Dermott Arroyo
Location1.56 MI E of JCT Nm 574
RouteState Highway 574
Coordinates36.92835, -108.16253
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length52 ft (15.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,094 (2023)
Projected traffic2,847 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-574 over Mc Dermott Arroyo built?

It was built in 2008, making it 17 years old in 2025.

What condition is NM-574 over Mc Dermott Arroyo in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2021.

How much traffic does NM-574 over Mc Dermott Arroyo carry?

About 2,094 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-574 over Mc Dermott Arroyo?

The structure is 52 ft (15.9 m) long with a longest span of 12 ft (3.7 m).

Who owns NM-574 over Mc Dermott Arroyo?

It is owned by the State Highway Agency.